David C. Willard

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Guelph, CA

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Patents Grantslast 30 patents

Information Patent Grant
Continuous casting
- Patent number 4,245,761
- Issue date Jan 20, 1981
- Foseco Trading, A.G.
- Ian J. Hazlehurst
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Tundish with expendable lining and easily removable nozzle
- Patent number 4,165,026
- Issue date Aug 21, 1979
- Foseco Trading A.G.
- Ian J. Hazlehurst
- B22 - CASTING POWDER METALLURGY